#include <stdio.h>
#include "mymath.h"


int main(void)
{
    printf("123每一位的立方和为：%d\n", cube_sum(123));
    printf("fib(2) = %d\n", fib(2));
    printf("fib(3) = %d\n", fib(3));
    printf("fib(4) = %d\n", fib(4));
    printf("fib(7) = %d\n", fib(7));
    return 0;
}


